Pam offers a reward for the return of the pet snake that escaped from her purse while she was having dinner at a restaurant. Fred finds the snake and returns it to her. Which of the following is relevant in deciding whether Pam must pay the reward?
a. whether Fred is a minor
b. Whether Fred knew about the reward when he returned the snake
c. whether Fred intended to get the reward
d. whether the offer for the reward was in writing.